Steinitz exchange lemma

in linear algebra, the theorem that, for any set smaller than a spanning set, there is a set of vectors in the spanning set but missing from the smaller set that can be added to the smaller set to make that set spanning as well
Intangible theorem Q2338929
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Steinitz exchange lemma

Summary

Steinitz exchange lemma is a theorem[1]. It draws 131 Wikipedia views per month (theorem category, ranking #202 of 1,306).[2]

Key Facts

  • Steinitz exchange lemma's instance of is recorded as theorem[3].
  • Ernst Steinitz is named after Steinitz exchange lemma[4].
  • Steinitz exchange lemma is part of list of theorems[5].
  • Steinitz exchange lemma's studied by is recorded as linear algebra[6].
  • Steinitz exchange lemma's maintained by WikiProject is recorded as WikiProject Mathematics[7].

Body

Definition and Type

Steinitz exchange lemma's instance of is recorded as theorem[3].

Origins

Ernst Steinitz is named after Steinitz exchange lemma[4].

Use and Application

Steinitz exchange lemma is part of list of theorems[5].

Why It Matters

Steinitz exchange lemma draws 131 Wikipedia views per month (theorem category, ranking #202 of 1,306).[2] It has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[8] It is known by 4 alternative names across languages and contexts.[9]

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APA 4ort.xyz Knowledge Graph. (2026). Steinitz exchange lemma. Retrieved May 3, 2026, from https://4ort.xyz/entity/steinitz-exchange-lemma
MLA “Steinitz exchange lemma.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/steinitz-exchange-lemma.
BibTeX @misc{4ortxyz_steinitz-exchange-lemma_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Steinitz exchange lemma}}, year = {2026}, url = {https://4ort.xyz/entity/steinitz-exchange-lemma}, note = {Accessed: 2026-05-03}}
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Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5d ago · MatSuBot bot · 2026-05-25 view diff on Wikidata ↗
    Part of
    Studied by linear algebra
    Instance of theorem
    Instance of
    + 5 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||gl, ro */ import labels from sitelinks"
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